Here is a quick run down on the Grids:
Large BGE
XL BGE
Use with the Adjustable Rig. 1/2 size of the Large Stainless grid. Provides a handy work self when searing or blackening on the Spider. Use it as a warming area when grilling.
16.5 Stainless Round grid fits inside the Rig (level 1.5, 3.0 or 4.5) for second grid option. Also, sits atop the Rig Extender or Woo Extender for high heat grilling, 7.5 inches, above the fire ring.
Use with the Adjustable Rig, Rig Extender or Woo Extender. Grid slides on the Rig's Sliding Grid set-up. Electro-polish finish for added durability.
Sits atop the Flip3 Ring in the up position for rasied grid cooking. 21.5-inch diameter with handles. Nickel Plated finish.